<template>
    <p v-for="(item,index) in arr" :key="index">
        索引值:{{ index }}---元素的内容是：{{ item }}
    </p>
    <v-if></v-if>
</template>

<script setup>
import VIf from "./VIf.vue"
const arr = ["HTML","CSS","JavaScript","JQuery","Vue"];
</script>